ConocoPhillips Headquartered in Houston, Texas, ConocoPhillips is the third largest integrated energy company in the United States, based on market capitalization, oil and gas, proved reserves and production. It is also one of the largest refiners in the United States.
Operating in more than 40 countires, ConocoPhillips provides quality products and services at more than 20,000 service stations and retail outlets. Additionally, ConocoPhillips offers Quality PROclean gasolines at every Phillips 66 and Conoco 76 branded station across the United States. Quality PROclean gasolines are among the highest quality available in the market and recently recognized by leading automakers as TOP TIER Detergent gasoline.